Tell what each of the residual plots to the right indicates about the appropriat

Question

Tell what each of the residual plots to the right indicates about the appropriateness of the liner model that was fit to the data. (a) Choose the best answer for residuals plot(a). A. The scattered residuals plot indicates an appropriate linear model. B) The fanned pattern indicate that the linear models is not appropriate. The models predicting power increases as the values of the explanatory variable increases. C. The curved pattern in the residuals plot indicates that the linear model is not appropriate. The relationship is not linear. (b) Choose the best answer for residuals plot A. the scattered residuals plot indicates an appropriate linear model. B. The residual plot indicates that most of the data fall roughly along a straight line, with the exception of a single point. C. The fanned pattern indicates that the linear model is not appropriate. The model's predicting power decreases as the values of the explanatory variable increases. (c) Choose the best answer for residuals plot A. The scattered residuals plot indicates an appropriate linear model. B. The fanned pattern indicates that the linear model is not appropriate. The model's predicting power decreases as the values of the explanatory variate increases. C. The cured pattern in the residuals plot indicates that the linear model is not appropriate. The relationship is not linear.

Explanation / Answer

a) fanned patterns for a.

b) scattered patterns for b.

c) curved patterns for c.

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